CN107653884B - Steel casing setting device for drilling of sand foundation cast-in-place pile and construction method thereof - Google Patents

Steel casing setting device for drilling of sand foundation cast-in-place pile and construction method thereof Download PDF

Info

Publication number
CN107653884B
CN107653884B CN201710800928.1A CN201710800928A CN107653884B CN 107653884 B CN107653884 B CN 107653884B CN 201710800928 A CN201710800928 A CN 201710800928A CN 107653884 B CN107653884 B CN 107653884B
Authority
CN
China
Prior art keywords
steel casing
steel
plate
casing
guide cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710800928.1A
Other languages
Chinese (zh)
Other versions
CN107653884A (en
Inventor
刘学应
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University of Water Resources and Electric Power
Original Assignee
Zhejiang University of Water Resources and Electric Power
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang University of Water Resources and Electric Power filed Critical Zhejiang University of Water Resources and Electric Power
Priority to CN201710800928.1A priority Critical patent/CN107653884B/en
Publication of CN107653884A publication Critical patent/CN107653884A/en
Application granted granted Critical
Publication of CN107653884B publication Critical patent/CN107653884B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02Placing by driving
    • E02D7/06Power-driven drivers
    • E02D7/14Components for drivers inasmuch as not specially for a specific driver construction
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/10Follow-blocks of pile-drivers or like devices
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/18Placing by vibrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Piles And Underground Anchors (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The invention discloses a steel casing setting device for drilling a sand foundation filling pile and a construction method thereof. The construction method comprises the following steps: (a) manufacturing a steel casing; (b) leveling a construction foundation; (c) setting and lofting the steel casing; (d) preliminarily positioning the setting position of the steel casing; (e) the steel casing is accurately positioned; (f) punching a steel casing at the position of the first steel casing; (g) and punching the steel casing at the setting point of the rest steel casing. The invention can ensure that the steel casing is always vertical in the driving process, simultaneously prevent the steel casing from deforming, improve the setting accuracy of the steel casing and improve the construction quality of the steel casing.

Description

Steel casing setting device for drilling of sand foundation cast-in-place pile and construction method thereof
Technical Field
The invention belongs to the technical field of hydraulic and hydroelectric engineering, and particularly relates to a steel casing setting device for drilling a sand foundation filling pile and a construction method thereof.
Background
The water conservancy and hydropower engineering sluice pump station and other structural buildings are generally constructed at river dikes, most of the buildings adopt cast-in-situ bored piles for foundation treatment, and the underground can inevitably meet a rock block layer for scour protection and reinforcement years ago.
The foundation geology of the Qiantang river side sluice pump station is mainly silt and silty clay, the construction of the cast-in-place pile generally adopts a mode of drilling holes in a positive circulation mode by using a rotary drill, and the problems of difficulty in drilling, hole collapse and the like are inevitable once the buried depth of a rock block layer is large (even up to 12 meters). Aiming at the problems of difficulty in drilling, hole collapse and the like, the technical method for pretreating the rock layer by the steel protective cylinder in the prior art is adopted, the construction progress is accelerated, the construction quality is ensured, obvious economic benefits and social benefits are generated, meanwhile, the steel protective cylinder can adapt to the rock layers with different depths, the stability of the peripheral hole wall during later drilling can be effectively improved, and the hole collapse probability is reduced. However, in the prior art, when the steel pile casing is arranged, the steel pile casing is directly driven into a construction foundation by adopting a vibration hammer, and the stress on the periphery of the steel pile casing is not uniform due to the difference of underground soil distribution, so that the steel pile casing is easy to incline, and the steel pile casing is reset.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides a steel casing setting device for drilling a sand foundation cast-in-place pile and a construction method thereof, which can ensure that the steel casing is always vertical in the driving process, is not influenced by the difference of underground soil distribution, avoids resetting the steel casing, can prevent the steel casing from deforming, can improve the setting accuracy of the steel casing, improves the construction quality of the steel casing, can continuously set the steel casing, improves the construction efficiency of the steel casing, and generates obvious economic benefit and social benefit.
In order to solve the technical problems, the invention adopts the following technical scheme:
sand ground bored concrete pile drilling is with steel casing setting device, its characterized in that: including pre-buried steel sheet and guide cylinder, pre-buried steel sheet sliding connection has the movable plate, the movable plate is equipped with the support frame, the support frame is equipped with rotating device, rotating device locates the top surface department of movable plate, rotating device is equipped with the pivot, the pivot is rotated and is connected with the disc, the top of support frame is equipped with leveling rod, leveling rod's top is equipped with the rotation casing, the disc rotates to be connected in rotating the casing, the top of disc is equipped with the arm, the tip of arm is equipped with the matching frame, be equipped with the chucking frame in the matching frame, be equipped with the location section of thick bamboo in the chucking frame, the welding of the inner wall department of a location section of thick bamboo has four at least stop devices, stop device evenly locates the inner wall department of a location section of thick bamboo, stop device includes the circular arc board, the circular arc.
Furthermore, a guide rail is arranged on the embedded steel plate, a sliding block is arranged at the bottom of the moving plate, and the sliding block is connected to the guide rail in a sliding mode.
Furthermore, a cushion layer is arranged on the side surface of the fixing plate.
The construction method of the steel pile casing setting device for drilling the sand foundation cast-in-place pile is characterized by comprising the following steps of:
(a) manufacturing a steel casing;
(b) leveling a construction foundation;
(c) setting position lofting of the steel casing: according to the arrangement position of the steel casing on the design drawing, firstly, transversely drawing out reference lines at a construction foundation, arranging two adjacent transverse reference lines in parallel, then vertically drawing out the reference lines at the construction foundation, arranging two adjacent vertical reference lines in parallel, taking the intersection point of the vertical reference lines and the transverse reference lines as a steel casing arrangement point, and marking the steel casing arrangement point with lime powder;
(d) the steel protects a setting position and tentatively fixes: firstly, laying an embedded steel plate on a construction foundation along a vertical reference line direction, screwing the embedded steel plate into a bolt, screwing the bolt into the construction foundation, sliding a moving plate onto the embedded steel plate, then welding and fixing a mechanical arm and a disc at a matching frame, then placing a positioning cylinder into the matching frame, then sliding a clamping frame into the matching frame, clamping the clamping frame onto the positioning cylinder, loosening screws between a fixed plate and an installation plate, then selecting a matched guide cylinder according to the outer diameter of a steel protection cylinder, placing the guide cylinder between limiting devices from top to bottom, next tightly attaching the fixed plate to the side surface of the guide cylinder, screwing the screws, and preliminarily positioning the guide cylinder to the setting position of the steel protection cylinder;
(e) the steel protects a section of thick bamboo and sets up the accurate location in position: the method comprises the following steps that a cover plate is sleeved at the top end of a guide cylinder, a through hole is formed in the center of the cover plate, a guide rod is led into the through hole, then a disc is rotated, the guide cylinder in a matching frame deflects under the rotating action of a mechanical arm, the guide rod is adjusted to a vertical reference line, a rotating shaft on a rotating device is fixed, then a moving plate moves on an embedded steel plate, the guide rod is adjusted to a first steel protection cylinder setting point, then the matching frame is dragged, the top end of a positioning cylinder is knocked, the positioning cylinder is arranged on a construction foundation, and then the cover plate and the guide rod are removed;
(f) the steel casing is beaten to first steel casing setpoint department and is established: firstly marking the driving height on the side surface of a first steel casing according to the length of the steel casing embedded into a construction foundation and the total length of a guide cylinder, then installing a vibration hammer on a crawler crane, then lifting the steel casing by adopting steel wire ropes on two sides of the vibration hammer, keeping the steel casing in a vertical state, then operating a clamp to fix the steel casing, then lifting the steel casing by the crawler crane to be right above the guide cylinder, then sleeving the steel casing into the guide cylinder at a constant speed, then starting the vibration hammer, gradually loosening the steel wire ropes on the crawler crane, vertically driving the steel casing into the construction foundation, stopping the vibration hammer to vibrate when the driving height arranged at the steel casing is level with the top surface of the guide cylinder, removing the vibration hammer, then moving out a clamping frame, simultaneously removing a rotating shell and a disc at a rotating shaft, moving out a matching frame from the steel casing upwards, and loosening screws between a fixing plate and an installation plate, moving the positioning cylinder out of the steel casing upwards;
(g) and (f) moving the moving plate on the pre-buried steel plate, and punching the steel casing at the setting point of the rest steel casing according to the step (d), the step (e) and the step (f).
Further, the step (a) is to select a steel plate with a designed thickness, the thickness of the steel plate is not less than 15mm, the steel plate is rolled, then a penetrating plate is welded at the bottom of the rolled steel casing, and the height of the penetrating plate is 30-40 cm.
Further, in the step (f), ink lines are arranged on the side face of the first steel casing in a bouncing mode, and the side face marking work of the first steel casing is completed.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
before the steel casing is arranged, the point where the vertical reference line and the horizontal reference line intersect is used as the steel casing setting point, and then the lime powder is used for marking the steel casing setting point, so that the steel casing setting points are uniformly distributed, and the steel casing setting is convenient in the later period.
The method adopts the primary positioning of the setting position of the steel casing and the accurate positioning of the setting position of the steel casing, wherein the primary positioning of the setting position of the steel casing mainly comprises the steps of primarily setting the steel casing in the setting area range of the steel casing, then carrying out the accurate positioning of the setting position of the steel casing, rotating a disc, deflecting a guide cylinder in a matching frame under the rotating action of a mechanical arm, adjusting a guide rod to a vertical reference line, fixing a rotating shaft on a rotating device, moving a moving plate on an embedded steel plate, adjusting the guide rod to the setting point of the first steel casing, and coinciding the center point of the guide cylinder with the setting point of the steel casing through twice positioning, so that the accuracy of the setting of the steel casing can be improved, and the construction quality of the steel casing can be improved.
According to the invention, the screw between the fixing plate and the mounting plate is unscrewed, then the matched guide cylinder is selected according to the outer diameter of the steel casing, the guide cylinder is placed between the limiting devices from top to bottom, then the fixing plate is tightly attached to the side surface of the guide cylinder, the screw is screwed, and the guide cylinder is preliminarily positioned to the setting position of the steel casing, so that the corresponding guide cylinder can be set according to the size of the steel casing, and the application range is enlarged.
According to the invention, the steel casing is sleeved into the guide cylinder at a constant speed, then the vibration hammer is started, the steel wire rope on the crawler crane is gradually loosened, the steel casing is vertically driven into the construction foundation, the driving height of the steel casing is level with the top surface of the guide cylinder, the vibration hammer stops vibrating, the steel casing is always positioned in the guide cylinder when the steel casing is arranged, and the guide cylinder is vertically arranged downwards, so that the guide cylinder plays a role of guiding when the steel casing is arranged, the steel casing can be ensured to be always vertical in the driving process, the influence of difference of underground soil distribution is avoided, and the steel casing is prevented from being reset. And the guide cylinder plays a supporting and protecting role for the steel casing, and the steel casing can be prevented from deforming.
According to the invention, the movable plate moves on the embedded steel plate, and the steel casing is arranged at the setting point of the rest steel casing according to the step (d), the step (e) and the step (f), so that the steel casing can be continuously arranged, and the construction efficiency of the steel casing is improved.
In conclusion, the steel casing can be ensured to be always vertical in the driving process and not to be influenced by the difference of underground soil distribution, the steel casing is prevented from being reset, the deformation of the steel casing can be prevented, the setting accuracy of the steel casing can be improved, the construction quality of the steel casing can be improved, the steel casing can be continuously arranged, the construction efficiency of the steel casing can be improved, and obvious economic benefits and social benefits can be generated. Meanwhile, the invention has simple structure, convenient assembly and disassembly and easy control, and the adopted measure materials adopt green building materials which can be repeatedly used, thereby being beneficial to saving materials and protecting the environment.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a steel casing setting device for drilling a sand foundation cast-in-place pile according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the limiting device of the present invention distributed on the inner wall of the positioning cylinder;
FIG. 4 is a schematic structural view of the position limiting device of the present invention;
FIG. 5 is a schematic view of the rotary connection between the shaft and the disk according to the present invention.
Detailed Description
As shown in fig. 1 to 5, the device for setting the steel casing for drilling the sand foundation cast-in-place pile comprises an embedded steel plate 1 and a guide cylinder 20, wherein the embedded steel plate 1 is slidably connected with a moving plate 2, the embedded steel plate 1 is provided with a guide rail 18, the bottom of the moving plate 2 is provided with a slide block 19, and the slide block 19 is slidably connected on the guide rail 18. The movable plate 2 is provided with a support frame 3, the support frame 3 is provided with a rotating device 4, the rotating device 4 is arranged on the top surface of the movable plate 2, the rotating device 4 is provided with a rotating shaft 5, and the rotating shaft 5 is rotatably connected with a disc 6. The top of the support frame 3 is provided with a leveling rod 7, the top end of the leveling rod 7 is provided with a rotating shell 8, the disc 6 is rotatably connected in the rotating shell 8, and the leveling rod 7 supports and levels the rotating shell 8 to ensure that the disc 6 smoothly rotates in the shell 8.
The top of disc 6 is equipped with arm 9, and the tip of arm 9 is equipped with matching frame 10, is equipped with chucking frame 11 in the matching frame 10, is equipped with a location section of thick bamboo 12 in the chucking frame 11, and the welding of the inner wall department of a location section of thick bamboo 12 has four at least stop device 13, and stop device 13 evenly locates the inner wall department of a location section of thick bamboo 12. Stop device 13 includes arc plate 14, and arc plate 14 welds in the inner wall department of a location section of thick bamboo 12, and the inner wall department welding of arc plate 14 has mounting panel 15, fixedly connected with fixed plate 16 between mounting panel 15, and guide cylinder 20 is fixed to fixed plate 16. The side of the fixed plate 16 is provided with a cushion layer 17 to increase the friction between the fixed plate 16 and the guide cylinder 20.
The construction method of the steel pile casing setting device for drilling the sand foundation cast-in-place pile comprises the following steps:
(a) manufacturing the steel casing: and selecting a steel plate with the designed thickness, wherein the thickness of the steel plate is not less than 15mm, and the steel casing is ensured to have enough strength and rigidity. And rolling the steel plate, and welding a penetrating plate at the bottom of the rolled steel casing, wherein the height of the penetrating plate is 30-40cm, so that the steel casing can quickly penetrate into a construction foundation.
(b) And removing large stones and garbage at the construction foundation, backfilling soil, and leveling the construction foundation by adopting an excavator.
(c) Setting position lofting of the steel casing: according to the arrangement position of the steel casing on the design drawing, firstly, a reference line is transversely pulled out of a construction foundation, and two adjacent transverse reference lines are arranged in parallel. And vertically pulling out reference lines at the construction foundation, wherein two adjacent vertical reference lines are arranged in parallel. And the intersection point of the vertical reference line and the horizontal reference line is used as a steel casing setting point, and then the steel casing setting point is marked with lime powder.
(d) The steel protects a setting position and tentatively fixes: firstly, the embedded steel plate 1 is paved on a construction foundation along the vertical reference line direction, then the embedded steel plate 1 is screwed in the bolt, and the bolt is screwed in the construction foundation. And sliding the moving plate 2 onto the embedded steel plate 1, welding and fixing the mechanical arm 9 at the matching frame 10 and the disc 6, placing the positioning cylinder 12 into the matching frame 10, sliding the clamping frame 11 into the matching frame 10, and clamping the clamping frame 11 onto the positioning cylinder 12. And loosening screws between the fixing plate 16 and the mounting plate 15, selecting a matched guide cylinder 20 according to the outer diameter of the steel casing, putting the guide cylinder 20 between the limiting devices 13 from top to bottom, tightly attaching the fixing plate 16 to the side surface of the guide cylinder 20, screwing the screws, and preliminarily positioning the guide cylinder 20 to the setting position of the steel casing.
(e) The steel protects a section of thick bamboo and sets up the accurate location in position: the cover plate is sleeved on the top end of the guide cylinder 20, a through hole is arranged at the center of the cover plate, and a guide rod is introduced into the through hole. Then, the disc 6 is rotated, and under the rotation action of the mechanical arm 9, the guide cylinder 20 in the matching frame 10 is deflected, the guide rod is adjusted to a vertical reference line, and the rotating shaft 5 on the rotating device 4 is fixed. Then moving the moving plate 2 on the embedded steel plate 1, adjusting the guide rod to a first steel casing setting point, dragging the matching frame 10, knocking the top end of the positioning cylinder 12, setting the positioning cylinder 12 on a construction foundation, and then removing the cover plate and the guide rod.
(f) The steel casing is beaten to first steel casing setpoint department and is established: the marking and punching height is marked on the side surface of the first steel casing according to the length of the steel casing embedded into the construction foundation and the total length of the guide cylinder 20. And (4) snapping ink lines on the side surface of the first steel casing to finish the side surface marking work of the first steel casing. And then installing the vibration hammer on the crawler crane, then hoisting the steel casing by adopting the steel wire ropes on the two sides of the vibration hammer, keeping the steel casing in a vertical state, operating the clamp to fix the steel casing, then hoisting the steel casing by the crawler crane to be right above the guide cylinder 20, and then sleeving the steel casing into the guide cylinder 20 at a constant speed. Then, starting the vibration hammer, gradually loosening a steel wire rope on the crawler crane, vertically driving a steel casing into a construction foundation, stopping the vibration hammer to vibrate when the driving height arranged at the steel casing is level with the top surface of the guide cylinder 20, moving the vibration hammer away, moving the clamping frame 11 out, removing the rotating shell 8 and the disc 6 at the rotating shaft 5, moving the matching frame 10 upwards from the steel casing, loosening screws between the fixing plate 16 and the mounting plate 15, and moving the positioning cylinder 12 upwards from the steel casing.
(g) And (4) moving the moving plate 2 on the embedded steel plate 1, and punching the steel casing at the setting point of the rest steel casing according to the step (d), the step (e) and the step (f).
Before the steel casing is arranged, the point where the vertical reference line and the horizontal reference line intersect is used as the steel casing setting point, and then the lime powder is used for marking the steel casing setting point, so that the steel casing setting points are uniformly distributed, and the steel casing setting is convenient in the later period.
The method adopts the primary positioning of the setting position of the steel casing and the accurate positioning of the setting position of the steel casing, wherein the primary positioning of the setting position of the steel casing mainly comprises the steps of primarily setting the steel casing in the setting area range of the steel casing, then carrying out the accurate positioning of the setting position of the steel casing, rotating the disc 6, deflecting the guide cylinder 20 in the matching frame 10 under the rotating action of the mechanical arm 9, adjusting the guide rod to a vertical reference line, then fixing the rotating shaft 5 on the rotating device 4, then moving the moving plate 2 on the embedded steel plate 1, adjusting the guide rod to the setting point of the first steel casing, and coinciding the center point of the guide cylinder 20 with the setting point of the steel casing through twice positioning, so that the setting accuracy of the steel casing can be improved, and the construction quality of the steel casing can be improved.
According to the invention, the screw between the fixing plate 16 and the mounting plate 15 is loosened, then the matched guide cylinder 20 is selected according to the outer diameter of the steel casing, the guide cylinder 20 is placed between the limiting devices 13 from top to bottom, then the fixing plate 16 is tightly attached to the side surface of the guide cylinder 20, the screw is tightened, and the guide cylinder 20 is preliminarily positioned to the setting position of the steel casing, so that the corresponding guide cylinder 20 can be set according to the size of the steel casing, and the application range is enlarged.
According to the invention, a steel casing is sleeved into the guide cylinder 20 at a constant speed, then the vibration hammer is started, the steel wire rope on the crawler crane is gradually loosened, the steel casing is vertically driven into a construction foundation, the driving height arranged at the steel casing is level with the top surface of the guide cylinder 20, the vibration hammer stops vibrating, the steel casing is always positioned in the guide cylinder 20 when the steel casing is arranged, and the guide cylinder 20 plays a role in guiding the steel casing when the steel casing is arranged due to the vertical downward arrangement of the guide cylinder 20, so that the steel casing can be ensured to be always vertical in the driving process, the steel casing is not influenced by the difference of the distribution of underground soil, and the steel casing is prevented from being reset. And the guide cylinder 20 plays a role in supporting and protecting the steel casing, so that the steel casing can be prevented from deforming.
According to the invention, the movable plate 2 moves on the embedded steel plate 1, and the steel casing is arranged at the setting point of the rest steel casing according to the step (d), the step (e) and the step (f), so that the steel casing can be continuously arranged, and the construction efficiency of the steel casing is improved.
In conclusion, the steel casing can be ensured to be always vertical in the driving process and not to be influenced by the difference of underground soil distribution, the steel casing is prevented from being reset, the deformation of the steel casing can be prevented, the setting accuracy of the steel casing can be improved, the construction quality of the steel casing can be improved, the steel casing can be continuously arranged, the construction efficiency of the steel casing can be improved, and obvious economic benefits and social benefits can be generated. Meanwhile, the invention has simple structure, convenient assembly and disassembly and easy control, and the adopted measure materials adopt green building materials which can be repeatedly used, thereby being beneficial to saving materials and protecting the environment.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.

Claims (4)

1. Sand ground bored concrete pile drilling is with steel casing setting device, its characterized in that: the device comprises a pre-buried steel plate and a guide cylinder, wherein the pre-buried steel plate is connected with a movable plate in a sliding mode, the movable plate is provided with a support frame, the support frame is provided with a rotating device, the rotating device is arranged at the top surface of the movable plate and provided with a rotating shaft, the rotating shaft is connected with a disc in a rotating mode, the top of the support frame is provided with a leveling rod, the top end of the leveling rod is provided with a rotating shell, the disc is rotatably connected into the rotating shell, the top end of the disc is provided with an mechanical arm, the end part of the mechanical arm is provided with a matching frame, a clamping frame is arranged in the matching frame, a positioning cylinder is arranged in the clamping frame, at least four limiting devices are welded at the inner wall of the positioning cylinder and uniformly arranged at the inner wall of the positioning cylinder, each limiting device comprises an, the welding of inner wall department of circular arc board has the mounting panel, fixedly connected with fixed plate between the mounting panel, the fixed plate is fixed the guide cylinder, be equipped with the guide rail on the pre-buried steel sheet, the bottom of movable plate is equipped with the slider, slider sliding connection in on the guide rail.
2. The sand foundation bored concrete pile drilling steel pile casing setting device of claim 1, characterized in that: and a cushion layer is arranged on the side surface of the fixing plate.
3. The construction method of the steel casing setting device for the sand foundation cast-in-place pile drilling according to claim 1, characterized by comprising the steps of:
(a) manufacturing the steel casing: selecting a steel plate with a designed thickness, rolling the steel plate, and welding a penetrating plate at the bottom of the rolled steel casing, wherein the thickness of the steel plate is not less than 15mm, and the height of the penetrating plate is 30-40 cm;
(b) leveling a construction foundation;
(c) setting position lofting of the steel casing: according to the arrangement position of the steel casing on the design drawing, firstly, transversely drawing out reference lines at a construction foundation, arranging two adjacent transverse reference lines in parallel, then vertically drawing out the reference lines at the construction foundation, arranging two adjacent vertical reference lines in parallel, taking the intersection point of the vertical reference lines and the transverse reference lines as a steel casing arrangement point, and marking the steel casing arrangement point with lime powder;
(d) the steel protects a setting position and tentatively fixes: firstly, laying an embedded steel plate on a construction foundation along a vertical reference line direction, screwing the embedded steel plate into a bolt, screwing the bolt into the construction foundation, sliding a moving plate onto the embedded steel plate, then welding and fixing a mechanical arm and a disc at a matching frame, then placing a positioning cylinder into the matching frame, then sliding a clamping frame into the matching frame, clamping the clamping frame onto the positioning cylinder, loosening screws between a fixed plate and an installation plate, then selecting a matched guide cylinder according to the outer diameter of a steel protection cylinder, placing the guide cylinder between limiting devices from top to bottom, next tightly attaching the fixed plate to the side surface of the guide cylinder, screwing the screws, and preliminarily positioning the guide cylinder to the setting position of the steel protection cylinder;
(e) the steel protects a section of thick bamboo and sets up the accurate location in position: the method comprises the following steps that a cover plate is sleeved at the top end of a guide cylinder, a through hole is formed in the center of the cover plate, a guide rod is led into the through hole, then a disc is rotated, the guide cylinder in a matching frame deflects under the rotating action of a mechanical arm, the guide rod is adjusted to a vertical reference line, a rotating shaft on a rotating device is fixed, then a moving plate moves on an embedded steel plate, the guide rod is adjusted to a first steel protection cylinder setting point, then the matching frame is dragged, the top end of a positioning cylinder is knocked, the positioning cylinder is arranged on a construction foundation, and then the cover plate and the guide rod are removed;
(f) the steel casing is beaten to first steel casing setpoint department and is established: firstly marking the striking height on the side surface of a first steel casing according to the length of the steel casing embedded into a construction foundation and the total length of a guide cylinder, then installing a vibration hammer on a crawler crane, then lifting the steel casing by adopting steel wire ropes on two sides of the vibration hammer to keep the steel casing in a vertical state, then operating a clamp to fix the steel casing, then lifting the steel casing to the position right above the guide cylinder by the crawler crane, then sleeving the steel casing into the guide cylinder at a constant speed, then starting the vibration hammer, gradually loosening the steel wire ropes on the crawler crane, vertically striking the steel casing into the construction foundation, stopping the vibration hammer from vibrating when the striking height arranged at the steel casing is level with the top surface of the guide cylinder, moving the vibration hammer out, then moving a clamping frame out, simultaneously dismantling a rotating shell and a disc at a rotating shaft, upwards moving a matching frame out of the steel casing, and then loosening screws between a fixing plate and an installation plate, moving the positioning cylinder out of the steel casing upwards;
(g) and (f) moving the moving plate on the pre-buried steel plate, and punching the steel casing at the setting point of the rest steel casing according to the step (d), the step (e) and the step (f).
4. The construction method of the steel casing setting device for the sand foundation cast-in-place pile drilling according to claim 3, characterized in that: and (f) snapping ink lines on the side surface of the first steel casing to finish the side surface marking work of the first steel casing.
CN201710800928.1A 2017-09-07 2017-09-07 Steel casing setting device for drilling of sand foundation cast-in-place pile and construction method thereof Active CN107653884B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710800928.1A CN107653884B (en) 2017-09-07 2017-09-07 Steel casing setting device for drilling of sand foundation cast-in-place pile and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710800928.1A CN107653884B (en) 2017-09-07 2017-09-07 Steel casing setting device for drilling of sand foundation cast-in-place pile and construction method thereof

Publications (2)

Publication Number Publication Date
CN107653884A CN107653884A (en) 2018-02-02
CN107653884B true CN107653884B (en) 2020-07-07

Family

ID=61129136

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710800928.1A Active CN107653884B (en) 2017-09-07 2017-09-07 Steel casing setting device for drilling of sand foundation cast-in-place pile and construction method thereof

Country Status (1)

Country Link
CN (1) CN107653884B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109440762B (en) * 2018-11-14 2020-10-16 浙江景昌建设有限公司 Construction method of filling pile for drainage pump station
CN109653203B (en) * 2018-12-19 2020-09-01 江苏长风海洋装备制造有限公司 Suction bucket leading truck that installation effectiveness is high
CN111576422B (en) * 2020-05-28 2022-03-04 扬州市江都永坚有限公司 Pile embracing system of underwater pile foundation construction platform
CN112302021B (en) * 2020-11-02 2022-05-13 中国建筑土木建设有限公司 Deep water torrent light-weight automatic intelligent steel casing mechanical positioning device and construction method
CN112459064B (en) * 2020-11-11 2022-02-11 江苏中达建设工程有限公司 Full casing cast-in-situ bored pile casing correcting device and construction method
CN114108629A (en) * 2021-11-09 2022-03-01 杭州临安路桥工程有限公司 Long and short pile composite foundation leveling construction device
CN114837175B (en) * 2022-05-25 2022-12-13 北京市政路桥管理养护集团有限公司 Mounting device and mounting method for prefabricated retaining wall of manual hole digging pile
CN114908738B (en) * 2022-06-08 2023-03-14 中铁一局集团(广州)建设工程有限公司 Construction method of foundation pile of deep-water bridge
CN115198733B (en) * 2022-07-12 2023-06-23 中铁二十五局集团有限公司 Bored pile construction technology
CN115450224A (en) * 2022-09-24 2022-12-09 中铁广州工程局集团第三工程有限公司 Pebble layer steel sheet pile waterproof curtain leading hole construction method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202450529U (en) * 2011-12-29 2012-09-26 山河智能装备股份有限公司 Open type pile controller
CN102943476A (en) * 2012-11-27 2013-02-27 恒天九五重工有限公司 Flexible clamping device of static pile driver

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202450529U (en) * 2011-12-29 2012-09-26 山河智能装备股份有限公司 Open type pile controller
CN102943476A (en) * 2012-11-27 2013-02-27 恒天九五重工有限公司 Flexible clamping device of static pile driver

Also Published As

Publication number Publication date
CN107653884A (en) 2018-02-02

Similar Documents

Publication Publication Date Title
CN107653884B (en) Steel casing setting device for drilling of sand foundation cast-in-place pile and construction method thereof
CN110629747A (en) Full-casing full-rotation construction process for pile foundation under complex geological conditions
CN111395330B (en) Construction method for concrete cast-in-situ bored pile complete steel casing penetrating through underground gallery
CN206646497U (en) A kind of clad steel casing structure
CN110820765A (en) Prefabricated enclosure structure for narrow deep foundation pit and construction method
CN209741847U (en) Guide bracket for cast-in-situ bored pile
CN103321212A (en) One-column-one-pile post inserting method construction process
CN203498836U (en) Device for pulling casing by utilizing rotary drilling rig
CN111980011B (en) Grooving device for Larsen steel sheet pile and construction method thereof
CN106930274B (en) A kind of a full set of cylinder rotatory boring castinplace pile construction method that reinforcing bar cage location is fixed
CN211646415U (en) Prefabricated enclosure structure for narrow deep foundation pit
CN112921947A (en) Foundation construction method in house building construction
WO2015147674A1 (en) Method for installing overhead transmission line supports in permafrost soils
CN114960715B (en) Underground engineering surge treatment device and control method
CN113006088B (en) Deep foundation reinforcing device and treatment method thereof
CN106759377A (en) The construction method of recyclable building enclosure
CN102605775A (en) Combination pile of flexible pile and rigid pile concentrically arranged at upper end and lower end and pile forming method
CN207244649U (en) A kind of lightweight steel construction assembles the basis of decoration integrated building
CN202530450U (en) Combination pile with flexible pile and rigid pile arranged up and down consubstantially
CN214883595U (en) Anti-floating pile structure
CN108951629A (en) Jacket pitching pile technique
CN212670558U (en) Long pile casing for complicated terrain follow-up drilling pile
US20170275843A1 (en) Method and device to create a foundation as well as a foundation
CN115324039B (en) Construction process of simple foundation pile
CN220377264U (en) Rotary digging hole-forming cast-in-place pile casing position fixing device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant